Engine-build primers are a main component of the technical aspect of HPP. We pride ourselves on furnishing the readership with detailed information that can be used on their Pontiacs. We've covered ...

The Pontiac Trans Am 455 Super Duty arrived just as Detroit was being forced to turn down the volume on big cubic inches, ...

Due to stricter government regulations, the era of unrestrained factory-built performance was coming to an end in 1971. However, GM's excitement division answered with the largest displacement engine ...

Pontiac’s Grand Prix SJ 455 sits at the crossroads of luxury and muscle, combining big-block torque with personal-coupe ...

For many gearheads, the year 1970 represents the peak of the muscle car era — or at least the peak of the first muscle car era. A big part of what conspired to make 1970 special is that to remain ...

Oooh, two General Motors V8s within a cubic inch of each other! They have to be nearly the same engine, right? After all, the Chevrolet 454 and Pontiac 455 come from the same corporate parent, and ...

1976 was a big year for America: Apple launched its first computer, Rocky made its silver screen debut, Charlie’s Angels premiered on television, and Jimmy Carter became President of the nation on its ...